Basic Mathematics for College Students

782 Chapter 9 An Introduction to Geometry Solution Substitute 3 feet for 1 yard. There are 9 square feet in 1 square yard. 9 ft ...

9.7 Perimeters and Areas of Polygons 783 EXAMPLE (^7) Find the area of the triangle shown on the right. StrategyWe will substitu ...

784 Chapter 9 An Introduction to Geometry Now TryProblem 53 Solution This is the formula for the area of a trapezoid. Substitute ...

9.7 Perimeters and Areas of Polygons 785 SolutionTo find the area of the lower portion of the tent, we proceed as follows. This ...

786 Chapter 9 An Introduction to Geometry EXAMPLE (^13) Carpeting a Room A living room/dining room has the floor plan shown in t ...

CONCEPTS The figure below shows a kitchen floor that is covered with 1-foot-square tiles. Without counting allof the squares, d ...

Write and then solve an equation to answer each problem. See Example 3. The perimeter of an isosceles triangle is 35 fe ...

Find the area of each trapezoid.See Example 9. Solve each problem.See Example 10. The area of a parallelogram i ...

72. Solve each problem.See Example 13. FLOORING A rectangular family room is 8 yards long and 5 yards wide. At $30 per square y ...

APPLICATIONS LANDSCAPING A woman wants to plant a pine- tree screen around three sides of her rectangular- shaped backyard. (Se ...

792 Chapter 9 An Introduction to Geometry CARPENTRY If it costs $90 per square foot to build a one-story home in northern Wisco ...

9.8 Circles 793 A chordof a circle is a line segment that connects two points on the circle. A diameteris a chord that passes th ...

If we multiply both sides of pCDby , we have the following formula.D 794 Chapter 9 An Introduction to Geometry Circumference of ...

9.8 Circles 795 We then change the 25 miles to inches using two unit conversion factors. The units of miles and feet can be remo ...

If we divide the circle into more and more pie-shaped pieces, the figure will look more and more like a parallelogram, and we ca ...

9.8 Circles 797 Self Check 4 Find the area of the shaded figure below. Round to the nearest hundredth. Now TryProblem 37 26 yd 1 ...

O A D B C 798 Chapter 9 An Introduction to Geometry VOCABULARY Fill in the blanks. A segment drawn from the center of a circle ...

Find the area of each circle given the following information. Give the exact answer and an approximation to the nearest tenth. S ...

4 ft 1 ft APPLICATIONS Suppose the two “legs” of the compass shown below are adjusted so that the distance between the pointed ...

9.9 Volume 801 REVIEW Write as a percent. Write as a percent. Write 0.827 as a percent. Write 0.036 as a percent. UNIT COSTS A ...